/*
 * Copyright 2019-2025 the original author or authors.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * https://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.iiifi.kite.boot.web.reactive.context;

import org.springframework.http.server.reactive.ServerHttpRequest;

import reactor.core.publisher.Mono;
import reactor.util.context.Context;

/**
 * ReactiveRequestContextHolder
 *
 * @author kite@iiifi.com 花朝
 */
public class ReactiveRequestContextHolder {
    static final Class<ServerHttpRequest> CONTEXT_KEY = ServerHttpRequest.class;

    /**
     * Gets the {@code Mono<ServerHttpRequest>} from Reactor {@link Context}
     *
     * @return the {@code Mono<ServerHttpRequest>}
     */
    public static Mono<ServerHttpRequest> getRequest() {
        return Mono.subscriberContext()
                .map(ctx -> ctx.get(CONTEXT_KEY));
    }

}
